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Merck

379980

Ammonium phosphate dibasic

≥99.99% trace metals basis

Synonym(s):

Ammonium hydrogenphosphate, Diammonium hydrogenphosphate, di-Ammonium hydrogenphosphate (sec)

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About This Item

Linear Formula:
(NH4)2HPO4
CAS Number:
7783-28-0
Molecular Weight:
132.06
NACRES:
NA.23
PubChem Substance ID:
24863708
UNSPSC Code:
12352302
EC Number:
231-987-8
MDL number:
MFCD00010891
Assay:
≥99.99% trace metals basis
Form:
crystalline

Key Documents

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Product Name

Ammonium phosphate dibasic, ≥99.99% trace metals basis

InChI key

MNNHAPBLZZVQHP-UHFFFAOYSA-N

InChI

1S/2H3N.H3O4P/c;;1-5(2,3)4/h2*1H3;(H3,1,2,3,4)

SMILES string

N.N.OP(O)(O)=O

assay

≥99.99% trace metals basis

form

crystalline

impurities

≤100.0 ppm Trace Metal Analysis

mp

155 °C (dec.) (lit.)

Quality Level

100

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General description

Ammonium phosphate dibasic is widely used as a starting material to fabricate cathodes for Li-ion batteries. It can also be used to remove residual lithium from LiNiO2-based cathode materials.

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCX4689
MKCW0373
MKCT6252
MKCV0883
MKCQ4200

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Enhanced electrochemical properties of a LiNiO2-based cathode material by removing lithium residues with (NH4)2HPO4
Xunhui Xiong, et al.
Journal of Materials Chemistry, 2, 11691-11696 (2014)
Emulsion drying synthesis of olivine LiFePO4/C composite and its electrochemical properties as lithium intercalation material
Seung-Taek Myung, et al
Electrochimica Acta, 49, 4213-4222 (2004)
Janet Sze-Jing Cheung et al.
International journal of hygiene and environmental health, 230, 113623-113623 (2020-09-16)
There are concerns in Yellowknife, Northwest Territories, Canada, about arsenic exposure due to past mining operations, particularly the former Giant Mine. The objective of this study was to characterize the risk of arsenic exposure and associated risk factors among the
Martin P Pothier et al.
Frontiers in microbiology, 9, 2310-2310 (2018-10-20)
Despite its high toxicity and widespread occurrence in many parts of the world, arsenic (As) concentrations in decentralized water supplies such as domestic wells remain often unquantified. One limitation to effective monitoring is the high cost and lack of portability
Karima Achelhi et al.
Dalton transactions (Cambridge, England : 2003), 39(44), 10644-10651 (2010-10-05)
Organically-modified hydroxyapatite materials were synthesized through the addition of oxalic, succinic, adipic and citric acids to a calcium hydroxide solution before neutralization by ammonium dihydrogenphosphate. All carboxylic acids have a significant influence on apatite crystallinity and nanoparticle size, as indicated
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